Question 1

The MVV reflects which of the following?
1) Airway resistance
2) Condition of respiratory muscles
3) Condition of lung tissue
4) Compliance of the lungs and thorax

Accepted Answer

A) 1 and 2 
B) 3 and 4 
C) 1, 2, and 4 
D) 2, 3, and 4 
A) 1 and 2 
B) 3 and 4 
C) 1, 2, and 4 
D) 2, 3, and 4

Question 2

Which of the following associations' standards should be met before PFT equipment is purchased and used?

Accepted Answer

A)  The American Lung Association 
B)  The American College of Chest Physicians 
C)  The Joint Commission 
D)  The American Thoracic Society 
A)  The American Lung Association 
B)  The American College of Chest Physicians 
C)  The Joint Commission 
D)  The American Thoracic Society

Question 3

Which of the following typically decreases the FVC in a patient with an obstructive lung disorder?

Accepted Answer

A)  A decrease in lung size 
B)  An increase in residual volume (RV) 
C)  A decrease in expiratory muscle mass 
D)  An increase in airway resistance caused by the disease 
A)  A decrease in lung size 
B)  An increase in residual volume (RV) 
C)  A decrease in expiratory muscle mass 
D)  An increase in airway resistance caused by the disease

Question 4

Which of the following tests are considered for exercise testing?
1) Stress ECG
2) Ventilatory capacity
3) Anaerobic threshold
4) DLCO

Accepted Answer

A) 1 and 4 
B) 2 and 3 
C) 1, 2, and 3 
D) 2, 3, and 4 
A) 1 and 4 
B) 2 and 3 
C) 1, 2, and 3 
D) 2, 3, and 4

Question 5

Which of the following conditions are common causes of restrictive lung disease?
1) Atelectasis and obesity
2) Interstitial lung disease and lung scarring
3) Chest wall dysfunction and neurologic disease
4) Asthma and emphysema

Accepted Answer

A) 1 and 4 
B) 2 and 3 
C) 2, 3, and 4 
D) 1, 2, and 3 
A) 1 and 4 
B) 2 and 3 
C) 2, 3, and 4 
D) 1, 2, and 3

Question 6

The total lung capacity (TLC) is a function of which of the following?
1) Age
2) Weight
3) Gender
4) Size

Accepted Answer

A) 1 and 2 
B) 3 and 4 
C) 1, 3, and 4 
D) 2, 3, and 4 
A) 1 and 2 
B) 3 and 4 
C) 1, 3, and 4 
D) 2, 3, and 4

Question 7

What may cause the FVC to decrease in a patient with a restrictive lung disorder?

Accepted Answer

A)  A decrease in lung size 
B)  An increase in the expiratory reserve volume (ERV) 
C)  A decrease in expiratory muscle mass 
D)  An increase in airway resistance caused by the disease 
A)  A decrease in lung size 
B)  An increase in the expiratory reserve volume (ERV) 
C)  A decrease in expiratory muscle mass 
D)  An increase in airway resistance caused by the disease

Question 8

The volume of air inhaled and exhaled during quiet breathing is known as the:

Accepted Answer

A)  resting volume. 
B)  tidal volume. 
C)  inspiratory volume. 
D)  inspiratory capacity. 
A)  resting volume. 
B)  tidal volume. 
C)  inspiratory volume. 
D)  inspiratory capacity.

Question 9

The closed-system helium dilution method is used to measure:

Accepted Answer

A)  TLC. 
B)  FVC. 
C)  FRC. 
D)  TV. 
A)  TLC. 
B)  FVC. 
C)  FRC. 
D)  TV.

Question 10

When bronchoprovocation testing is used, the FEV1 needs to decrease by what percentage before a diagnosis of hyperactive airways is made?

Accepted Answer

A)  10% 
B)  20% 
C)  50% 
D)  66% 
A)  10% 
B)  20% 
C)  50% 
D)  66%

Question 11

In a patient with an exacerbation of asthma, airway resistance will be:

Accepted Answer

A)  normal. 
B)  increased. 
C)  decreased. 
D)  impossible to measure. 
A)  normal. 
B)  increased. 
C)  decreased. 
D)  impossible to measure.

Question 12

Which of the following factors has the greatest influence on lung size and predicted PFT values?

Accepted Answer

A)  Gender 
B)  Height 
C)  Race 
D)  Weight 
A)  Gender 
B)  Height 
C)  Race 
D)  Weight

Question 13

Why is the exhaled fraction of NO (FENO) useful in the diagnosis and management of asthma?

Accepted Answer

A)  It is a chemical mediator exclusive to lymphocytes and helps diagnosis asthma. 
B)  Its concentration increasing in the presence of airway inflammation. 
C)  It helps identify the lymphophilic asthma phenotype. 
D)  Can easily be measured with a standard end-tidal CO2 detector. 
A)  It is a chemical mediator exclusive to lymphocytes and helps diagnosis asthma. 
B)  Its concentration increasing in the presence of airway inflammation. 
C)  It helps identify the lymphophilic asthma phenotype. 
D)  Can easily be measured with a standard end-tidal CO2 detector.

Question 14

When assessing the effect of a surgical intervention what percent increase in a 6-min walk test distance is indicative of treatment effectiveness?

Accepted Answer

A)  5% to 10% 
B)  10% to 20% 
C)  20% to 30% 
D)  30% to 40% 
A)  5% to 10% 
B)  10% to 20% 
C)  20% to 30% 
D)  30% to 40%

Question 15

Obstructive lung disorders are characterized by a reduction in:

Accepted Answer

A)  lung capacities. 
B)  lung volumes. 
C)  expiratory flows. 
D)  inspiratory flows. 
A)  lung capacities. 
B)  lung volumes. 
C)  expiratory flows. 
D)  inspiratory flows.

Question 16

In which of the following diseases will the open-circuit nitrogen washout method tend to underestimate the total lung volume?

Accepted Answer

A)  Asthma 
B)  Emphysema 
C)  Cystic fibrosis 
D)  Chronic bronchitis 
A)  Asthma 
B)  Emphysema 
C)  Cystic fibrosis 
D)  Chronic bronchitis

Question 17

Which of the following is considered standard equipment that is used in a pulmonary function laboratory?
1) Spirometer
2) Gas analyzer
3) Oxygen source
4) Body plethysmograph

Accepted Answer

A) 1 and 2 
B) 3 and 4 
C) 1, 2, and 4 
D) 2, 3, and 4 
A) 1 and 2 
B) 3 and 4 
C) 1, 2, and 4 
D) 2, 3, and 4

Question 18

Which of the following tests is often used preoperatively to evaluate whether the patient may have postoperative complications?

Accepted Answer

A)  ABG analysis 
B)  IC measurement 
C)  MVV test 
D)  PEF test 
A)  ABG analysis 
B)  IC measurement 
C)  MVV test 
D)  PEF test

Question 19

Which of the following conditions is associated with a low FVC, low FEV1 but normal FEV1/FVC, small TLC, low DLCO, and no response to a bronchodilator?

Accepted Answer

A)  Emphysema 
B)  Chronic bronchitis 
C)  Pulmonary fibrosis 
D)  Pulmonary embolus 
A)  Emphysema 
B)  Chronic bronchitis 
C)  Pulmonary fibrosis 
D)  Pulmonary embolus

Question 20

What will happen to the static lung compliance of a postoperative heart patient with left lower lobe atelectasis?

Accepted Answer

A)  It will be normal. 
B)  It will be less than normal. 
C)  It will be greater than normal. 
D)  It will be equal to the dynamic lung compliance. 
A)  It will be normal. 
B)  It will be less than normal. 
C)  It will be greater than normal. 
D)  It will be equal to the dynamic lung compliance.

Exam 9: Pulmonary Function Testing

The MVV reflects which of the following? 1) Airway resistance 2) Condition of respiratory muscles 3) Condition of lung tissue 4) Compliance of the lungs and thorax

Which of the following associations' standards should be met before PFT equipment is purchased and used?

Which of the following typically decreases the FVC in a patient with an obstructive lung disorder?

Which of the following tests are considered for exercise testing? 1) Stress ECG 2) Ventilatory capacity 3) Anaerobic threshold 4) DLCO

Which of the following conditions are common causes of restrictive lung disease? 1) Atelectasis and obesity 2) Interstitial lung disease and lung scarring 3) Chest wall dysfunction and neurologic disease 4) Asthma and emphysema

The total lung capacity (TLC) is a function of which of the following? 1) Age 2) Weight 3) Gender 4) Size

What may cause the FVC to decrease in a patient with a restrictive lung disorder?

The volume of air inhaled and exhaled during quiet breathing is known as the:

The closed-system helium dilution method is used to measure:

When bronchoprovocation testing is used, the FEV1 needs to decrease by what percentage before a diagnosis of hyperactive airways is made?

In a patient with an exacerbation of asthma, airway resistance will be:

Which of the following factors has the greatest influence on lung size and predicted PFT values?

Why is the exhaled fraction of NO (FENO) useful in the diagnosis and management of asthma?

When assessing the effect of a surgical intervention what percent increase in a 6-min walk test distance is indicative of treatment effectiveness?

Obstructive lung disorders are characterized by a reduction in:

In which of the following diseases will the open-circuit nitrogen washout method tend to underestimate the total lung volume?

Which of the following is considered standard equipment that is used in a pulmonary function laboratory? 1) Spirometer 2) Gas analyzer 3) Oxygen source 4) Body plethysmograph

Which of the following tests is often used preoperatively to evaluate whether the patient may have postoperative complications?

Which of the following conditions is associated with a low FVC, low FEV1 but normal FEV1/FVC, small TLC, low DLCO, and no response to a bronchodilator?

What will happen to the static lung compliance of a postoperative heart patient with left lower lobe atelectasis?

Preparing for the Patient Encounter

The Medical History and the Interview

Cardiopulmonary Symptoms

Vital Signs

Fundamentals of Physical Examination

Neurologic Assessment of the Respiratory Care Patient

Clinical Laboratory Studies

Interpretation of Blood Gases

Clinical Application of the Chest Radiograph

Interpretation of the Electrocardiogram

Assessment of the Neonatal and Pediatric Patient

Assessment of the Older Patient

Respiratory Monitoring in the Intensive Care Unit

Assessment of Cardiac Output

Assessment of Hemodynamic Pressures

Flexible Fiber-Optic Bronchoscopy

Nutritional Assessment of Patients With Respiratory Disease

Assessment of Sleep and Breathing

Assessment of the Home Care Patient

Documentation of the Patient Assessment

Filters

When bronchoprovocation testing is used, the FEV₁ needs to decrease by what percentage before a diagnosis of hyperactive airways is made?

Why is the exhaled fraction of NO (F_ENO) useful in the diagnosis and management of asthma?

Which of the following conditions is associated with a low FVC, low FEV₁but normal FEV₁/FVC, small TLC, low DLCO,and no response to a bronchodilator?